1. (verb) kill in large numbers

• annihilate
• carry off
• decimate
• eliminate
• extinguish
• wipe out

2. (verb) destroy completely, as if down to the roots

• exterminate
• extirpate
• root out
• uproot

1. (verb) kill in large numbers

• kill

2. (verb) destroy completely, as if down to the roots

• destroy
• destruct

1. (verb) kill in large numbers

• annihilating
• annihilative
• devastating
• withering
• annihilation
• obliteration
• annihilation
• disintegration
• annihilator
• decimation
• demolition
• destruction
• wipeout
• extermination
• extinction

2. (verb) destroy completely, as if down to the roots

• deracination
• excision
• extirpation
• destroyer
• ruiner
• undoer
• uprooter
• waster
• eradication
• obliteration
• eradicator
• exterminator
• terminator